Each clenched his fists and set his jaw when the order came to arrest the secret agents.
听说去抓特务，一个个都摩拳擦掌。
《汉英大词典》
Said to induce a clenching of the anal sphincter in the unconscious person.
据说可以令昏迷的人收缩肛门括约肌.
网络文摘精选
The black bile sourly bitter rose in Bonasera's throat overflowed through tightly clenched teeth.
黑色的胆汁,又酸又苦,从勃纳瑟拉喉咙里涌起,穿过紧闭的牙齿溢出.
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The protesters burst through police lines into the cathedral square, shaking clenched fists.
抗议者冲破警方封锁线来到教堂广场上，挥舞着愤怒的拳头。
《柯林斯高阶英汉双解学习词典》
Clenched in the volcanic fist, the huge Basin was created By the motion of crustal plates.
这个巨大的盆地坐落在火山带内, 它是由地壳板块的运动所造成的.
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She pulled at his sleeve and he turned on her, fists clenching again before he saw who it was.
她拉了拉他的袖子，他双拳再次握紧，气冲冲地转过身来，这才发现是她。
《柯林斯高阶英汉双解学习词典》
When she had gone I began to walk up and down the room, clenching my fists.
她走后,我在屋里踱来踱去, 紧攥着拳头.
词典精选例句
There may be tears grimaces, shuddering, clenching of hands or defensive postures.
可能会有眼泪,面部扭曲, 发抖, 紧握拳头,或者是防卫性的姿势.
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Instead of clenching my fist at new assignments, I will face them with joy and courage.
不是紧握拳头痛苦地对待新的挑战, 而是用欢乐和勇气应付困难.
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